<template>
  <div>
    <div style="margin-bottom: 10px">
      <el-upload
        class="upload-demo"
        action="http://113.118.193.85:17088/file/upload"
        :on-preview="handlePreview"
        :on-remove="handleRemove"
        :before-remove="beforeRemove"
        multiple
        :limit="3"
        :on-exceed="handleExceed"
        :data="userList"
      >
        <!-- <div slot="tip" class="el-upload__tip">可以上传jpg/png文件，且不超过500kb</div> -->
      </el-upload>
    </div>
    <div>
      <el-table :data="fileList" style="width: 100%">
        <el-table-column type="index" label="#" prop=""></el-table-column>
        <el-table-column label="文件名" prop="fileName"></el-table-column>
        <el-table-column label="文件大小" prop="size"></el-table-column>
        <el-table-column label="上传人">
          <template>
            <span>{{ name }}</span>
          </template>
        </el-table-column>
        <el-table-column label="上传时间" prop="createDate"></el-table-column>
        <el-table-column fixed="right" label="操作" width="300">
          <template slot-scope="{ row }">
            <el-button @click="fileDownLoad(row.path)" type="text" size="small"
              >下载</el-button
            >
          </template>
        </el-table-column>
      </el-table>

      <!-- 文件列表分页区域 -->
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.page"
        :page-size="queryInfo.size"
        layout="total, prev, pager, next, jumper"
        :total="total"
      >
      </el-pagination>
    </div>
  </div>
</template>
<script>
import Cookies from "js-cookie";
export default {
  data() {
    return {
      //获取用户列表参数对象
      queryInfo: {
        //当前的页数
        page: "1",
        //显示多少数量
        size: "5",
      },
      fileList: [{ download: "下载" }],
      total: 0,
      tableData: [{ test: "123456" }, { test: "123" }],
      formlist: {},
      userList: {
        //  userId: Cookies.get('userId'),
        userId: JSON.parse(Cookies.get("userId")).id,
      },
      deleteFile: {
        id: "",
      },
    };
  },
  //页面创建期间就会调用这个函数
  created() {
    this.getFileList();
  },
  computed: {
    name() {
      return JSON.parse(Cookies.get("userId")).username;
    },
  },
  methods: {
    handleRemove(file, fileList) {
      console.log(file, fileList);
    },
    handlePreview(file) {
      console.log(file);
    },
    handleExceed(files, fileList) {
      this.$message.warning(
        `当前限制选择 3 个文件，本次选择了 ${files.length} 个文件，共选择了 ${
          files.length + fileList.length
        } 个文件`
      );
    },
    beforeRemove(file, fileList) {
      return this.$confirm(`确定移除 ${file.name}？`);
    },
    async getFileList() {
      const { data: res } = await this.$http.get(
        "http://113.118.193.85:17088/file/fileList",
        { params: this.queryInfo }
      );
      if (res.status !== 200) {
        return this.$message.error("获取文件列表失败");
      }
      this.fileList = res.data.list;
      this.total = res.data.total;
    },
    //监听 pagesize改变的事件
    handleSizeChange(newSize) {
      this.queryInfo.size = newSize;
      this.getFileList();
    },
    //监听 页码值改变的事件
    handleCurrentChange(newPage) {
      this.queryInfo.page = newPage;
      this.getFileList();
    },

    //根据Id删除对应的文件信息
    async removeFileById(id) {
      this.deleteFile.id = id;
      //弹框提示
      const confirmResult = await this.$confirm(
        "此操作将永久删除该文件, 是否继续?",
        "提示",
        {
          confirmButtonText: "确定",
          cancelButtonText: "取消",
          type: "warning",
        }
      ).catch((err) => {
        return err;
      });
      if (confirmResult !== "confirm") {
        return this.$message.info("已经取消删除");
      }

      const { data: res } = await this.$http.post(
        "http://113.118.193.85:17088/file/deleteFile",
        this.deleteFile
      );

      if (res.status !== 200) {
        return this.$message.error("删除文件失败");
      }

      this.$message.success("删除文件成功！");
      this.getFileList();
    },
    fileDownLoad(path) {
      window.open(path);
    },
  },
};
</script>

<style>
</style>
